VW Code 05138
05138 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor reference voltage bank 1 sensor 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so water in fuel sensor, circuit range / performance also fuel mixture control adjustment range 3, higher limit not reached will delay your vw fault. |
05138 Possible Causes:
05138 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 05138 Code
- Inspect all the connections exhaust gas recirculation vent control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns